Finding the Fourth Proportional to 2,071,575,204.28, 2,858,774,928.74 and 1,118,955,937.12
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Solution
The fourth proportional to 2,071,575,204.28, 2,858,774,928.74 and 1,118,955,937.12 is: 1,544,159,812.68
Step by Step Solution
- Step 1: Write the proportion equation
2,071,575,204.28 : 2,858,774,928.74 = 1,118,955,937.12 : x - Step 2: Convert to fraction form
2,071,575,204.28/2,858,774,928.74 = 1,118,955,937.12/x - Step 3: Cross multiply
2,071,575,204.28x = 2,858,774,928.74 × 1,118,955,937.12 - Step 4: Simplify right side
2,071,575,204.28x = 3,198,843,179,403,427,328 - Step 5: Solve for x
x = 3,198,843,179,403,427,328/2,071,575,204.28 - Step 6: Final answer
x = 1,544,159,812.68
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.